Description
holosun ARO-RD2 (Red Dot) – Red dot sight (red illumination) for rifles, tactical chassis, and long guns – 02 MOA dot size in a 20mm diameter lens, housed in a robust aluminum casing (Type 3 anodized finish, IP67 rated – water and dust resistant) mounted on multi-coated glass for optimal light transmission, even in low visibility. Optics guaranteed for 03 years, long battery life, and extremely durable.
Integrated “shake awake” systems – 10 brightness levels in daytime mode and 02 in IR mode (controlled via two integrated buttons), for illumination adapted to everyday missions – operational in all conditions. Powered by a single CR2032 3V Lithium battery, for an average battery life of 50000 hours at power level 06. The HE403R-GD is supplied with a high-quality mount 1/3 Cowitness and a low-profile mount, to suit your weapon and your mission.
'Co-witness' 1/3 mount & low mount provided – up to 50 hours of battery life
Product data:
- holosun ARO-RD2 (Red Dot)
- RED Reticle – 02 MOA
- Up to 50 hours of battery life (intensity 000)
- “shake awake” – illumination of motion detection
- Convenient battery compartment
- Without parallax (from 25 meters) and unlimited ocular distance (eye relief)
- Super LED – 12 brightness levels: 10 level for daytime use and 2 IR level
- Multi-layer reflective glass – in its aluminum case
Technical elements:
| FEATURES | |
| Selectable reticle | No |
| Solar energy | No |
| Shake Awake Technology | Yes |
| Automatic shut-off / Memory | Yes yes |
| Manual/Auto Brightness | Yes No |
| Lock mode | No |
| OPTICAL SPECS | |
| Light source / Wavelength | LED (650 nm) |
| Reticle / Magnification | Point 2 MOA / 1x |
| Parallax / Eye relief | Unlimited / Without |
| Optical treatments | Multi-layered |
| ELECTRONIC DATA | |
| Battery type / Location | CR2032 (Removable side drawer) |
| Battery life | 50 000 hours |
| Brightness settings | 10 Daytime Levels & 2 Night Vision |
| MECHANICAL DATA & STRENGTH | |
| Material / Finish / Color | Aluminum / DAO / Black |
| Value of a click / Adjustment | 0,5 MOA (H&V range: ±50 MOA) |
| Waterproofing / Vibrations | IP67 / 1000 G |
| Operating temperature | -30 °C to +60 °C (Storage: -40 °C to +70 °C) |
| PHYSICAL DATA | |
| Window size | 0.866″ diameter |
| Body dimensions / Weight | 63 × 39 × 67mm / 95,8g (3.38oz) |
| Assembly included (Heights / Weights) | Mounting: Top: 41,4 mm | Bottom: 26,7 mm | Weight: 49 g |

















